Supports forward and reverse rotation control with stop function. The speed controller features a high-quality circuit board for extended service life. This simple and easy-to-use DC motor speed controller offers a sleek design and reliable performance. Utilizes PWM speed control technology for precise and stable operation. The well-designed enclosure protects the controller board from damage and aids in heat dissipation. Specifications: Supply voltage: DC 12-60V Output current: 40A Color: Black Material: Plastic Dimensions: 60 x 90 x 99mm / 2.36 x 3.54 x 3.9 inches Mounting size: 52 x 81mm / 2.05 x 3.19 inches Package Contents: 1 x DC Motor Speed Controller Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.